TY  - RPRT
TI  - Shape from shading: estimation of reflectance map.
AU  - J Seyama
AU  - T Sato
PY  - 1998
DO  - 10.1016/s0042-6989(97)00435-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9893809/
ID  - 9893809
ER  -